APA

National Museum of Natural History U.S, Adams N. E. & Lewis R. E. (1994). An annotated catalog of primary types of Siphonaptera in the National Museum of Natural History, Smithsonian Institution. Washington, D.C: Smithsonian Institution Press.

Chicago

National Museum of Natural History U.S, Adams Nancy E and Lewis Robert Earl. 1994. An annotated catalog of primary types of Siphonaptera in the National Museum of Natural History, Smithsonian Institution. Washington, D.C: Smithsonian Institution Press.

Harvard

National Museum of Natural History U.S, Adams N. E. and Lewis R. E. (1994). An annotated catalog of primary types of Siphonaptera in the National Museum of Natural History, Smithsonian Institution. Washington, D.C: Smithsonian Institution Press.

MLA

National Museum of Natural History U.S, Adams Nancy E and Lewis Robert Earl. An annotated catalog of primary types of Siphonaptera in the National Museum of Natural History, Smithsonian Institution. Washington, D.C: Smithsonian Institution Press. 1994.